The AI Models Index tracks premium model releases from 15 labs since 2023, with...

https://golf-wiki.win/index.php/Did_DeepSeek_Really_Slow_Down_in_2026_or_Is_It_Just_My_Impression%3F

The AI Models Index tracks premium model releases from 15 labs since 2023, with verified dates and blind-vote checks for accuracy. Updated every two weeks, it shows how quickly improvements happen—like GPT-5.2 beating GPT-5.1 by a 56% performance gain